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Finding the Fourth Proportional to 6,262.79, 9,387.99 and 3,490.76

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Solution

The fourth proportional to 6,262.79, 9,387.99 and 3,490.76 is: 5,232.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,262.79 : 9,387.99 = 3,490.76 : x
  2. Step 2: Convert to fraction form
    6,262.79/9,387.99 = 3,490.76/x
  3. Step 3: Cross multiply
    6,262.79x = 9,387.99 × 3,490.76
  4. Step 4: Simplify right side
    6,262.79x = 32,771,173.03
  5. Step 5: Solve for x
    x = 32,771,173.03/6,262.79
  6. Step 6: Final answer
    x = 5,232.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.